Thank you very much, Mr. Chair.
I thank all of our witnesses for their presentations today.
My first question is for Dr. Smith, who mentioned significant differences a number of times.
For example, prenatal exposure to marijuana would have a significant difference with respect to a child's cognitive abilities. There are also significant differences in brain activity among those who consume it and those who do not.
I'd like you to clarify these significant differences. Is it a 2%, 20%, 40% difference? Could you give me more specific figures?